Finding the Third Proportional to 20,803.50 and 31,443

Step by Step Solution

1. Step 1: Write the proportion equation
   20,803.50 : 31,443 = 31,443 : x
2. Step 2: Convert to fraction form
   20,803.50/31,443 = 31,443/x
3. Step 3: Cross multiply
   20,803.50x = 31,443 × 31,443
4. Step 4: Simplify right side
   20,803.50x = 988,662,249
5. Step 5: Solve for x
   x = 988,662,249/20,803.50
6. Step 6: Final answer
   x = 47,523.84